In 1982, Israeli forces invaded Lebanon to drive Palestine Liberation Organization fighters out of the country. (The Israelis withdrew in June 1985.)

In 1985, authorities in Brazil exhumed a body later identified as the remains of Dr. Josef Mengele, the notorious "Angel of Death" of the Nazi Holocaust.

Ten years ago: The government reported the U.S. unemployment rate had hit a nine-year high of 6.1 percent the previous month. Already the holder of U.S. rights to the Olympics through 2008, NBC secured the contracts for the 2010 and 2012 games for $2.2 billion.

Five years ago: The Dow industrial average dropped 394.64 points to 12,209.81, its worst loss in more than a year. Crude futures made their biggest single-day jump ever, soaring nearly $11 for the day to $138.54 a barrel. Actor Bob Anderson, who played young George Bailey in "It's a Wonderful Life," died in Palm Springs, Calif., at age 75.

One year ago: Business social network LinkedIn reported that some of its users' passwords had been stolen and leaked onto the Internet. New Yorkers lined the West Side waterfront to welcome the space shuttle Enterprise as it sailed up the Hudson River to its new home aboard the Intrepid Sea, Air & Space Museum.